KR20100134365A - Seat member and chair therewith - Google Patents

Abstract

PURPOSE: A seat member for supporting a waist and a chair with the same are provided to enable a user to easily change the position of a waist supporting member by moving a position controller up and down with external force. CONSTITUTION: A seat for supporting a seat includes a back plate member(110), a waist support member(120), and a position controller(130). The waist support member is formed on the back plate member and supports the waist of a user. The position controller controls the height of the waist support member. The position controller includes a guide groove unit(140), a rib(150), and a guide protrusion unit(160). The guide groove unit is recessed in the back plate member. The rib is extended from the waist support member. The guide protrusion unit is formed on the rib and guides the ascend and descend along the guide groove unit. A cover member(170) covers the back plate. A handle is extended from the end of the rib to be protruded to the outside of the back plate.

Description

Seat for backrest and chair with same {SEAT MEMBER AND CHAIR THEREWITH}

The present invention relates to a back support seat and a chair having the same, and more particularly, by simply designing the structure of the device for protecting the seat of the seated person, it is possible to reduce the manufacturing cost, improve assembly, and improve productivity. The present invention relates to a back seat and a chair having the same.

Recently, various types of chairs having various functions have been developed to provide a more comfortable state.

In the conventional chair described above, a seat plate portion on which a user can sit and a back support portion for supporting a back are respectively fixed to a fixed frame, and one end is fixed to a lower portion of the seat plate, that is, a bottom of the fixed frame, and the wheels on the other end. In addition to being laid, it is made of a leg provided to be height adjustable to correspond to the user's body.

In the chair made as described above, the front of the back portion is provided with a waist support for supporting the user's waist.

Existing back support device has a problem that the structure is complicated to increase the manufacturing cost of the chair as well as not easily change the position of the back support device corresponding to the user's body. Therefore, there is a need for improvement.

The present invention has been made to improve the problems as described above, by reducing the manufacturing cost through a simple structure by making it easy to change the position of the waist support member while moving up and down the position control unit mounted on the chair with an external force, An object of the present invention is to provide a back seat and a chair having the same for improving productivity.

The seat for backrest according to the present invention includes: a backrest member, a waist support member formed on the backrest member to support a seat of a seated person, and a position adjusting portion formed to adjust the height of the waist support member with respect to the backrest member. do.

The position adjusting unit, a guide groove recessed in the back support member, a rib extending from the waist support member, a guide protrusion formed on the rib to guide the lifting and lowering along the guide groove, the guide protrusion is accommodated in the guide groove And a cover member covering the backrest member to maintain the handle, and a handle extending from the end of the rib to protrude outwardly of the backrest member.

The rib includes a main rib directly connected to the waist support member, a sub rib having the guide protrusion, and a length adjusting part connecting the main rib and the sub rib to an entire length.

The length adjusting part may include a slot hole part rectangularly perforated in the main rib, a fitting protrusion protruding on one side of the sub rib so as to be reciprocally inserted in the main rib, a support piece part formed on an inner surface of the slot hole part, and the It includes a support recess formed in the side portion of the fitting protrusion to accommodate the support piece.

The chair according to the present invention includes: a frame, a seat plate member formed on an upper side of the frame, and a seat for back support connected to the frame.

The seat for backrest, the backrest member connected to the frame, a waist support member formed on the backrest member to support the seat of the seated seat, and the position adjustment is formed to adjust the height of the waist support member relative to the backrest member Contains wealth.

The frame is formed to extend the bracket upwards, the bracket is preferably connected to the back support member to be movable within the allowable range by the flow portion.

The flow part is formed to surround the circumferential surface of the insertion hole portion inserted into the insertion hole portion, the fastening member inserted into the insertion hole portion and the bracket, and the fastening member and inserted into the insertion hole portion and the back support member It includes an elastic pad member for elastically supporting.

As described above, the seat for back support and the chair having the same according to the present invention has a simple structure by making it easy to change the position of the waist support member while moving up and down the position adjusting unit mounted on the chair with an external force, unlike the prior art. Through this, manufacturing cost can be reduced and productivity can be improved.

In addition, the present invention can vary the length of the position adjustment portion can be made compatible.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a back seat and a chair having the same according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a perspective view of a chair having a backrest seat according to an embodiment of the present invention, Figure 2 is a bottom perspective view of a chair having a backrest seat according to an embodiment of the present invention, Figure 3 is Is an exploded perspective view of the seat back support according to an embodiment of the present invention.

Figure 4 is an exploded attempt to adjust the position of the seat back support according to an embodiment of the present invention, Figure 5 is a front view of the seat back support according to an embodiment of the present invention.

Figure 6 is a cross-sectional view showing a coupling state of the backrest seat and the bracket according to an embodiment of the present invention.

1 and 2, a chair according to an embodiment of the present invention includes a frame 10, a seat plate member 20, and a seat back 100.

The frame 10 serves to support the seat plate member 20 and the seat back 100.

In addition, the armrest 30 is supported by the frame 10 or the seat plate member 20. For convenience, the armrest 30 is shown to be connected to the lower plate member 20 side. Of course, the armrest 30 may be formed on the frame 10 or the seat plate member 20 itself, or may be detachably formed on the frame 10 or the seat plate member 20, and may be applied in various shapes. have.

In this case, the frame 10 may be modified in various shapes, and may be made of various materials.

The seat plate member 20 is formed above the frame 10. The seat plate member 20 serves to support the seated person in direct contact with the seated person's hips.

The seat plate member 20 may be integrally formed on the frame 10 or may be detachably formed on the frame 10.

In particular, the seat plate member 20 may be detachably installed from the frame 10 by various methods such as bolting.

The seat plate member 20 may be made of various shapes and various materials.

On the other hand, the back seat 100 is formed in the frame 10 serves to support the waist of the seated person.

At this time, the waist support sheet 100 has a function of supporting the lower portion that enters the front side of the waist.

As shown in Figure 3, the backrest seat 100 includes a back support member 110, a waist support member 120 and the position adjusting portion 130.

The backrest member 110 can be modified into various materials and various shapes.

And, the waist support member 120 is formed in the backrest member 110 serves to support the waist of the seated person.

That is, the waist support member 120 is formed in contact with the front lower portion of the backrest member 110 serves to support the lower back of the seated person.

The waist support member 120 is applicable to various materials and various shapes.

In addition, the waist support member 120 is preferably installed to enable height adjustment for the backrest member 110 according to the body size of the seated person.

Thus, the waist support member 120 is connected to the position adjustment unit 130.

At this time, the position adjusting unit 130 includes a guide groove 140, ribs 150, guide protrusions 160, cover member 170 and the handle 180.

The guide groove 140 is recessed in the backrest member 110. In particular, the guide groove 140 is formed on both front edges of the backrest member 110, respectively, is formed long in the vertical direction, it is preferably arranged side by side.

Of course, the shape of the guide groove 140 may be variously modified.

In addition, the rib 150 is formed to extend from the waist support member 120.

At this time, the rib 150 is preferably formed extending from the waist support member 120 toward each of the guide groove (140).

In addition, the rib 150 may be integrally molded to the waist support member 120, but is preferably detachably formed on the waist support member 120. Of course, the rib 150 may be made of various shapes and various materials.

In addition, the guide protrusion 160 is formed in the rib 150 and accommodated in the corresponding guide groove 140.

Thus, the guide protrusion 160 is moved up and down along the guide groove 140 by the external force.

Therefore, the guide protrusion 160 may be raised or lowered by the length of the guide groove 140.

Of course, the guide protrusion 160 may be deformed into various shapes and made of a size accommodated in the guide groove 140.

In addition, the guide protrusion 160 may be detachably formed on the rib 150, but is preferably integrally formed on the rib 150.

In addition, the cover member 170 serves to maintain the state of the guide protrusion 160 accommodated in the guide groove 140.

Thus, the cover member 170 covers the backrest member 110.

In particular, the cover member 170 is preferably detachably coupled to the backrest member (110). In particular, the cover member 170 is detachably coupled to the backrest member 110 by various methods such as fitting or bolting.

In addition, the cover member 170 serves to directly support and support the seated person's back, and serves to protect the waist support member 120 and the position adjuster 130.

The cover member 170 is applicable to various materials and various shapes.

At this time, the waist support member 120 is located between the backrest member 110 and the cover member 170 is installed to be able to move up and down, and raises and lowers easily by causing interference with the backrest member 110 or the cover member 170. You won't be able to.

Thus, it is preferable to form a friction reducing member such as a sponge on at least one of the side portions of the backrest member 110 and the cover member 170 which face each other. This is for the waist support member 120 to be easily moved up and down between the backrest member 110 and the cover member 170.

Meanwhile, the rib 150 forms a handle 180 at each end. The handle 180 protrudes outward of the backrest member 110.

Thus, as shown in FIG. 5, when the user lifts or lowers the handle 180, the waist supporting member 120 is raised or lowered between the backrest member 110 and the cover member 170.

In particular, when the seated person is seated, since the cover member 170 and the waist support member 120 is in close contact with the back support member 110, the waist support member 120 maintains the position adjusted.

In addition, as shown in FIG. 4, the rib 150 includes a main rib 151, a sub rib 152, and a length adjusting part 153.

The main rib 151 is directly connected to the waist support member 120. That is, the main rib 151 is formed to extend to both sides of the waist support member 120, respectively. The main rib 151 is preferably molded integrally with the waist support member 120. In addition, the main rib 151 may be applied in various shapes.

In addition, the sub rib 152 is formed separately from the main rib 151 and includes a guide protrusion 160.

That is, the sub rib 152 and the guide protrusion 160 are preferably integrally molded.

On the other hand, the waist support member 120 is preferably located in the central portion of the backrest member 110, the backrest member 110 may be made of various sizes, due to this, the guide groove (center) in the center of the backrest member (110) The distance to 140 can vary.

Therefore, the length of the rib 150 is preferably provided to vary.

That is, the entire length of the main rib 151 and the sub rib 152 is preferably variable.

In more detail, the main rib 151 and the sub rib 152 are formed to be adjustable in overall length by the length adjusting unit 153.

Here, the length adjusting part 153 includes a slot hole part 154, a fitting protrusion 155, a support piece part 156, and a support groove part 157.

The slot hole part 154 is formed in a rectangular shape along the axial direction of the main rib 151, and is perforated to both sides.

In addition, the fitting protrusion 155 is formed to protrude on one side of the sub rib 152.

The fitting protrusion 155 is inserted into the slot hole 154 to be reciprocated along the axial direction of the main rib 151. The fitting protrusion 155 may be deformed into various shapes and may be molded integrally with the sub rib 152.

In addition, the support piece portion 156 is formed on the inner surface of the slot hole portion 154.

At this time, the support piece portion 156 is formed extending in the central direction along the inner surface of the slot hole portion 154 except for the position where the fitting protrusion 155 is first inserted into the slot hole portion 154, is formed as thin as possible desirable.

In particular, the support piece 156 is preferably molded integrally with the main rib 151. The support piece portion 156 may be deformed into various shapes.

In addition, the support groove 157 is formed recessed in the side portion of the fitting protrusion 155. The support groove portion 157 serves to receive the support piece portion 156.

Accordingly, the fitting protrusion 155 is supported by the support piece 156 and is capable of reciprocating within the slot hole 154. As a result, the entire length of the main rib 151 and the sub rib 152 is determined by the slot hole portion (156). Length 154).

On the other hand, the frame 10 extends the bracket 210 to the upper side.

Thus, the bracket 210 serves to elastically support the backrest member 110.

That is, the bracket 210 is integrally molded to the frame 10 to enable the front and rear pivoting of the backrest seat 100 including the backrest member 110 by a predetermined distance.

In addition, the backrest member 110 is preferably formed to be predetermined flow in the left, right direction with respect to the bracket (210).

That is, the bracket 210 is preferably connected to the back member 110 by the flow unit 220 so as to flow within the allowable range. Of course, the flow unit 220 serves to support the backrest member 110 to be able to rotate in the front, rear, left and right directions with respect to the bracket 210.

Here, the bracket 210 may be applied in various shapes, but is illustrated in a 'Y' shape for convenience.

As shown in FIG. 6, the flow part 220 includes an insertion hole part 222, a fastening member 224, and an elastic pad member 226.

Insertion hole 222 is through the back support member (110). Here, since the bracket 210 has a 'Y' shape, three insertion holes 222 may be formed in the backrest member 110.

And, the fastening member 224 is inserted into each of the insertion hole 222 serves to be fastened with the bracket 210. At this time, the fastening member 224 is preferably a mechanical fastening element such as a bolt.

On the other hand, the elastic pad member 226 is formed to surround the circumferential surface of the fastening member 224, and made of a size that is inserted into the insertion hole 222 inside.

In addition, the elastic pad member 226 serves to support the backrest member 110 with respect to the fastening member 224 fastened to the bracket 210.

In particular, the elastic pad member 226 is made of a material such as rubber having an elastic force. Thus, the backrest member 110 is elastically able to flow in a predetermined direction in multiple directions.

Of course, the elastic pad member 226 also has a cushioning force. The elastic pad member 226 may be made of various shapes and various materials.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is a perspective view of a chair having a backrest seat according to an embodiment of the present invention.

Figure 2 is a bottom perspective view of a chair having a seat back support according to an embodiment of the present invention.

Figure 3 is an exploded perspective view of the seat back support according to an embodiment of the present invention.

Figure 4 is an exploded perspective view of the position adjustment portion of the backrest seat according to an embodiment of the present invention.

5 is a front view of the seat for back support according to an embodiment of the present invention.

Figure 6 is a cross-sectional view showing a coupling state of the backrest seat and the bracket according to an embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

10: frame 100: back seat

110: back support member 120: waist support member

130: position adjusting unit 140: guide groove

150: rib 160: guide protrusion

170: cover member 180: handle

Claims (8)

Backrest member; A waist support member formed on the back support member to support a waist of a seated person; And The seat for backrest, characterized in that it comprises a position adjusting portion that is formed to adjust the height of the waist support member relative to the backrest member. The method of claim 1, wherein the position adjusting unit, A guide groove recessed in the backrest member; A rib extending from the waist support member; A guide protrusion formed on the rib and guided up and down along the guide groove; A cover member covering the backrest member to maintain the guide protrusion part accommodated in the guide groove; And And a handle extending from the end of the rib to protrude outward of the backrest member. The method according to claim 1 or 2, wherein the rib, A main rib directly connected to the waist support member; A sub rib having the guide protrusion; And And a length adjusting part connecting the main rib and the sub rib to adjust the entire length. The method of claim 3, wherein the length adjustment unit, A slot hole portion rectangularly perforated in the main rib; A fitting protrusion protruding on one side of the sub rib so as to be reciprocally inserted into the slot hole; A support piece formed on an inner surface of the slot hole; And And a support recess formed in the side portion of the fitting protrusion to accommodate the support piece. frame; A seat plate member formed on an upper side of the frame; And Chair comprising a seat back seat connected to the frame. The method of claim 5, wherein the waist support sheet, A backrest member connected to the frame; A waist support member formed on the back support member to support a waist of a seated person; And And a position adjusting portion formed to adjust the height of the waist supporting member with respect to the backrest member. The method of claim 6, The frame extends the bracket upward; The bracket is a chair, characterized in that for fluidly connecting the backrest member within the allowable range by the flow portion. The method of claim 7, wherein the flow portion, An insertion hole formed in the backrest member; A fastening member inserted into the insertion hole and fastened to the bracket; And And a resilient pad member formed to surround a circumferential surface of the fastening member and inserted into the insertion hole to elastically support the backrest member.

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